Parshat Ha'azinu is, for the most, written in 2 side-by-side columns. I noticed the following pattern:
verses 1-13 end in the left column
verses 14-38 end in the right column
verses 39-43 end in the ...

The Talmud (Rosh Hashana 31a) tells us that the Haazinu song (Devarim 32) was sung weekly in the Temple and divided into six segments, given by the mnemonic HaZIV LaKh הזיו לך (where each letter is ...